Real ChatGPT answer + Gemini simulation · index seed4j1ZbaYobKMcompleteAI OverviewTravel and hospitality · budget travelinformational
How do Amtrak ticket prices compare to driving a personal car from Atlanta to Washington DC for a four day business retreat with my small team?
ChatGPTgpt-6Geminigemini-3.5-flash-lite3 passes + 1 real-search38 queries10/30/2026
Download run
Gemini unique queries
36
0 in ≥ half the passes · stability 33%
ChatGPT real searches predicted
100%
2 of 2 matched the simulation
Fan-out diagram
Seed → topic clusters → sub-queries, per model.
SEED QUERY
How do Amtrak ticket prices compare to driving a personal car from Atlanta to Washington DC for a four day business retreat with my small team?
36 unique queries · 3 passes
business travel expense and policy
10 queries · 10 hits
amtrak vs driving cost comparison calculator trip1xGoogle ↗
COMPARATIVE
business travel tax deduction personal car vs train1xGoogle ↗
ENTITY EXPANSION
business travel driving reimbursement rates IRS 20241xGoogle ↗
PERSONALIZED
corporate team travel cost comparison driving vs rail1xGoogle ↗
PERSONALIZED
business travel cost comparison train vs car reimbursement rates1xGoogle ↗
PERSONALIZED
intercity train vs driving carbon footprint business travel1xGoogle ↗
RELATED
renting a car vs driving personal car for business trip cost1xGoogle ↗
ENTITY EXPANSION
corporate team retreat transportation cost budgeting guide1xGoogle ↗
RELATED
productivity working on amtrak vs driving a car1xGoogle ↗
RELATED
total cost comparison template for business travel modes1xGoogle ↗
COMPARATIVE
travel time and route comparison
6 queries · 6 hits
amtrak vs driving time atlanta to washington dc1xGoogle ↗
IMPLICIT
driving vs flying vs train atlanta to washington dc business travel1xGoogle ↗
RELATED
atlanta to washington dc road trip driving time and route1xGoogle ↗
RELATED
how long is the train ride from atlanta to washington dc amtrak1xGoogle ↗
REFORMULATION
driving distance from atlantaga to washington dc route map1xGoogle ↗
REFORMULATION
driving distance and time atlanta to washington dc1xGoogle ↗
REFORMULATION
amtrak crescent schedule and fares
5 queries · 5 hits
amtrak crescent train ticket cost atlanta to washington dc1xGoogle ↗
REFORMULATION
amtrak crescent train ticket price atlanta to washington dc1xGoogle ↗
REFORMULATION
amtrak crescent train ticket prices atlanta to washington dc1xGoogle ↗
REFORMULATION
amtrak crescent schedule duration atlanta to washington dc1xGoogle ↗
REFORMULATION
amtrak crescent schedule and travel time atlanta to dc1xGoogle ↗
RELATED
amtrak group rates and amenities
5 queries · 5 hits
amtrak group travel discounts and booking options1xGoogle ↗
ENTITY EXPANSION
amtrak group travel discounts for small business team1xGoogle ↗
ENTITY EXPANSION
amtrak crescent amenities wi-fi business class1xGoogle ↗
ENTITY EXPANSION
group travel discounts amtrak corporate rates1xGoogle ↗
ENTITY EXPANSION
amtrak business class amenities wifi workspace1xGoogle ↗
IMPLICIT
driving costs and road expenses
4 queries · 4 hits
driving cost calculator atlanta to washington dc fuel and wear1xGoogle ↗
COMPARATIVE
cost to drive from atlanta to dc gas and wear and tear calculator1xGoogle ↗
COMPARATIVE
cost of driving from atlanta to dc gas calculator1xGoogle ↗
IMPLICIT
total cost comparison driving vs amtrak for 4 people atlanta to dc1xGoogle ↗
COMPARATIVE
group travel cost comparison
3 queries · 3 hits
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (2)
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence. 36 queries are still being classified.
What the models actually searched
Each model answered the query with its own web search. These are the searches it ran, matched to the closest simulated query.
ChatGPT2 real searches · gpt-6100% predicted
Amtrak Atlanta to Washington DC fares Crescent route 2026 ticket prices typical booking advice Google ↗
Atlanta GA to Washington DC driving distance miles tolls fuel cost parking downtown DC 2026 Google ↗
- Atlanta to Washington DC Train – Tickets from $126 · wanderu.com
- Cost of Driving from Atlanta, GA to Washington, DC · travelmath.com
- Driving Distance from Atlanta, GA to Washington, DC · travelmath.com
- Atlanta, Georgia to Washington, District of Columbia · google.com
- Travel Guide to Train Fares - Easy Online Booking Options · amtrak.com
Semantic map
Every query placed by meaning (EmbeddingGemma 2, 256-d). Shaded regions are topics, nearby points are near-paraphrases, and a circle's size is how often the query came back.
Colour
SimulatedReal search
Hover a query to see its counterpart · click a topic to focus it · zoom with Ctrl/⌘ + scroll, a pinch, double-click or +
Queries
36 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
amtrak crescent train ticket cost atlanta to washington dc REFORMULATION | Google ↗ AI Mode ↗ | Find the direct ticket prices for the Amtrak Crescent route between Atlanta and Washington DC. | — | pricing_page | amtrak crescent schedule and fares | 1x of 3 | |
amtrak crescent train ticket price atlanta to washington dc REFORMULATION | Google ↗ AI Mode ↗ | Find the specific baseline cost for an Amtrak ticket between Atlanta and Washington DC on the Crescent line. | — | pricing_page | amtrak crescent schedule and fares | 1x of 3 | |
amtrak crescent train ticket prices atlanta to washington dc REFORMULATION | Google ↗ AI Mode ↗ | Find the direct ticket prices for the Amtrak route between Atlanta and Washington DC. | — | pricing_page | amtrak crescent schedule and fares | 1x of 3 | |
driving cost calculator atlanta to washington dc fuel and wear COMPARATIVE | Google ↗ AI Mode ↗ | Calculate the total cost of driving a personal vehicle including gas and mileage wear for a trip to DC. | — | calculator/tool | driving costs and road expenses | 1x of 3 | |
cost to drive from atlanta to dc gas and wear and tear calculator COMPARATIVE | Google ↗ AI Mode ↗ | Calculate the total driving cost including fuel economy and vehicle depreciation for a trip from Atlanta to DC. | — | calculator/tool | driving costs and road expenses | 1x of 3 | |
cost of driving from atlanta to dc gas calculator IMPLICIT | Google ↗ AI Mode ↗ | Calculate the estimated fuel and driving expenses for a road trip between Atlanta and Washington DC. | — | calculator/tool | driving costs and road expenses | 1x of 3 | |
is it cheaper to drive or take amtrak for small group travel RELATED | Google ↗ AI Mode ↗ | Understand the economics of group travel versus individual transit when comparing driving and trains. | — | comparison_table | group travel cost comparison | 1x of 3 | |
amtrak vs driving cost comparison calculator trip COMPARATIVE | Google ↗ AI Mode ↗ | Directly compare the overall expenses of taking a train versus driving a car for a mid-range trip. | — | comparison_table | business travel expense and policy | 1x of 3 | |
is it cheaper to take amtrak or drive for a group business trip RELATED | Google ↗ AI Mode ↗ | Understand the general cost-effectiveness of train travel versus driving when traveling with multiple people. | — | web_article | group travel cost comparison | 1x of 3 | |
amtrak group travel discounts and booking options ENTITY EXPANSION | Google ↗ AI Mode ↗ | Explore if Amtrak offers special discounts for small business teams traveling together. | — | faq_page | amtrak group rates and amenities | 1x of 3 | |
amtrak group travel discounts for small business team ENTITY EXPANSION | Google ↗ AI Mode ↗ | Determine if group rates or corporate discounts apply when booking train travel for a small team. | — | faq_page | amtrak group rates and amenities | 1x of 3 | |
amtrak vs driving time atlanta to washington dc IMPLICIT | Google ↗ AI Mode ↗ | Compare the total travel duration between taking the train and driving a car. | — | comparison_table | travel time and route comparison | 1x of 3 | |
parking costs downtown washington dc for four days IMPLICIT | Google ↗ AI Mode ↗ | Determine the hidden expenses of driving a personal car, specifically multi-day parking in DC. | — | web_article | washington dc hotel parking rates | 1x of 3 | |
driving vs flying vs train atlanta to washington dc business travel RELATED | Google ↗ AI Mode ↗ | Explore all viable transportation modes for a business trip from Atlanta to Washington DC. | — | web_article | travel time and route comparison | 1x of 3 | |
business travel tax deduction personal car vs train ENTITY EXPANSION | Google ↗ AI Mode ↗ | Learn about business expense write-offs and IRS mileage reimbursement rates compared to ticket purchases. | — | faq_page | business travel expense and policy | 1x of 3 | |
atlanta to washington dc road trip driving time and route RELATED | Google ↗ AI Mode ↗ | Know the time commitment and route for driving from Atlanta to Washington DC. | — | map/local_pack | travel time and route comparison | 1x of 3 | |
business travel driving reimbursement rates IRS 2024 PERSONALIZED | Google ↗ AI Mode ↗ | Find standard mileage rates to calculate the financial impact of using a personal car for business purposes. | — | glossary/definition | business travel expense and policy | 1x of 3 | |
corporate team travel cost comparison driving vs rail PERSONALIZED | Google ↗ AI Mode ↗ | Find best practices and budgeting templates for small team business travel logistics. | — | case_study | business travel expense and policy | 1x of 3 | |
amtrak crescent schedule duration atlanta to washington dc REFORMULATION | Google ↗ AI Mode ↗ | Find out how long the train journey takes between Atlanta and Washington DC. | — | product_spec_sheet | amtrak crescent schedule and fares | 1x of 3 | |
how long is the train ride from atlanta to washington dc amtrak REFORMULATION | Google ↗ AI Mode ↗ | Find the total duration of the Amtrak Crescent journey from Atlanta to Washington DC. | — | product_spec_sheet | travel time and route comparison | 1x of 3 | |
amtrak crescent schedule and travel time atlanta to dc RELATED | Google ↗ AI Mode ↗ | Check the timetable and duration for the Amtrak Crescent service between Atlanta and Washington DC. | — | product_spec_sheet | amtrak crescent schedule and fares | 1x of 3 | |
business travel cost comparison train vs car reimbursement rates PERSONALIZED | Google ↗ AI Mode ↗ | Understand standard corporate travel considerations and IRS mileage rates when driving for business. | — | pdf_whitepaper | business travel expense and policy | 1x of 3 | |
parking fees in washington dc hotels for four days IMPLICIT | Google ↗ AI Mode ↗ | Estimate the hidden costs of driving a personal car, specifically multi-day parking in Washington DC. | — | buyers_guide | washington dc hotel parking rates | 1x of 3 | |
driving distance from atlantaga to washington dc route map REFORMULATION | Google ↗ AI Mode ↗ | Find the driving route, mileage, and highway details between Atlanta and Washington DC. | — | map/local_pack | travel time and route comparison | 1x of 3 | |
intercity train vs driving carbon footprint business travel RELATED | Google ↗ AI Mode ↗ | Evaluate environmental impacts of taking the train versus driving for a corporate team. | — | web_article | business travel expense and policy | 1x of 3 | |
amtrak crescent amenities wi-fi business class ENTITY EXPANSION | Google ↗ AI Mode ↗ | Check if Amtrak provides suitable workspace amenities like Wi-Fi for working during the trip. | — | review_roundup | amtrak group rates and amenities | 1x of 3 | |
parking costs in downtown washington dc for four days IMPLICIT | Google ↗ AI Mode ↗ | Determine overnight and multi-day parking expenses in Washington DC when arriving by car. | — | buyers_guide | washington dc hotel parking rates | 1x of 3 | |
renting a car vs driving personal car for business trip cost ENTITY EXPANSION | Google ↗ AI Mode ↗ | Compare personal vehicle usage against rental vehicle options for a small team road trip. | — | buyers_guide | business travel expense and policy | 1x of 3 | |
driving distance and time atlanta to washington dc REFORMULATION | Google ↗ AI Mode ↗ | Find the driving distance and expected travel time between Atlanta and Washington DC. | — | map/local_pack | travel time and route comparison | 1x of 3 | |
group travel discounts amtrak corporate rates ENTITY EXPANSION | Google ↗ AI Mode ↗ | Check if Amtrak offers special discounts or group booking rates for small business teams. | — | faq_page | amtrak group rates and amenities | 1x of 3 | |
amtrak business class amenities wifi workspace IMPLICIT | Google ↗ AI Mode ↗ | Check if the train offers workspace amenities suitable for working during transit on a business retreat. | — | review_roundup | amtrak group rates and amenities | 1x of 3 | |
corporate team retreat transportation cost budgeting guide RELATED | Google ↗ AI Mode ↗ | Learn best practices for budgeting and choosing travel options for a corporate team retreat. | — | pdf_whitepaper | business travel expense and policy | 1x of 3 | |
productivity working on amtrak vs driving a car RELATED | Google ↗ AI Mode ↗ | Compare the ability to work, hold meetings, or use Wi-Fi while traveling on the train versus driving. | — | web_article | business travel expense and policy | 1x of 3 | |
is it cheaper to drive or take the train for a group of four COMPARATIVE | Google ↗ AI Mode ↗ | Compare per-person travel costs versus total vehicle costs for a small group size. | — | calculator/tool | group travel cost comparison | 1x of 3 | |
total cost comparison template for business travel modes COMPARATIVE | Google ↗ AI Mode ↗ | Find a tool or spreadsheet layout to compare all expenses associated with different corporate travel options. | — | dataset | business travel expense and policy | 1x of 3 | |
total cost comparison driving vs amtrak for 4 people atlanta to dc COMPARATIVE | Google ↗ AI Mode ↗ | See a direct financial breakdown comparing total expenses for driving a car versus four Amtrak tickets. | — | comparison_table | driving costs and road expenses | 1x of 3 |
Passes
Does another pass still surface new queries? A flattening curve means the fan-out has stabilised.
Geminix = pass, y = cumulative unique queries
| Model | Pass | Target | Generated | Seconds | Tokens (in / out) | Notes |
|---|---|---|---|---|---|---|
| gemini-3.5-flash-lite | 1 | 12 | 12 | — | 927 / 1,483 | |
| gemini-3.5-flash-lite | 2 | 12 | 12 | — | 927 / 1,505 | |
| gemini-3.5-flash-lite | 3 | 12 | 12 | — | 927 / 1,422 |